/* reset */
body, dl, dd, ul, ol, h1, h2, h3, h4, h5, h6, p, form, header, section, article, footer {
  margin: 0;
  padding: 0;
}

body, button, input, select, textarea {
  font: 12px/1.5 tahoma, '\5FAE\8F6F\96C5\9ED1', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-size: 100%
}

em, b {
  font-style: normal
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  text-decoration: underline
}

img {
  border: 0
}

iframe {
  position: absolute;
}

body {
  padding-top: 1.2rem;
  box-sizing: border-box;
  overflow-x: hidden;
  background-color: #fff;
}

button, input, select, textarea {
  font-size: 100%;
  outline: none
}


table {
  border-collapse: collapse;
  border-spacing: 0
}

td, th, ul, ol {
  padding: 0
}

li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clear {
  *zoom: 1;
}
.clear:after {
  content: "";
  display: block;
  clear: both;
}

.browser-tips {
  background-color: #fd7;
  text-align: center;
  font-size: 12px;
  line-height: 26px;
}

html {
  font-size: calc(100vw / 750 * 100);
  -webkit-tap-highlight-color: transparent;
}

@media (orientation: landscape) {
  html {
    font-size: calc(100vw / 2000 * 100);
  }
}

/* comm */
.title {
  font-size: .4rem;
  color: #586696;
  letter-spacing: .22rem;
  line-height: 1;
  text-indent: .22rem;
  text-align: center;
  font-weight: normal;
  position: relative;
}

.title:after {
  content: attr(data-en);
  display: block;
  text-align: center;
  font-size: .14rem;
  line-height: 1;
  opacity: .7;
  margin-top: .13rem;
  font-variant-caps: small-caps;
  font-weight: lighter;
}

/* top */
.top {
  position: fixed;
  top: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  padding: .25rem .3rem;
  background: #1e1c21;
  z-index: 9;
}

.top.hide {
  z-index: 1;
}

.top-logo {
  width: 2.19rem;
  height: .7rem;
  background: url(../images/spr.png) no-repeat -.1rem -.1rem/8rem 8rem;
  text-indent: -9999rem;
}

.top-menu-ico {
  width: .58rem;
  height: .08rem;
  background-color: #fff;
  border-radius: .04rem;
  position: relative;
  font-size: 0;
}

.top-menu-ico:before, .top-menu-ico:after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #fff;
  border-radius: .04rem;
  transition: all .5s cubic-bezier(0, 0.24, 0, 1.72);
}

.top-menu-ico:before {
  top: -.2rem;
}

.top-menu-ico:after {
  top: .2rem;
}

.top-menu-ico.open {
  visibility: hidden;
}

.top-menu-ico.open:before, .top-menu-ico:after {
  visibility: visible;
  transform-origin: left center;
}

.top-menu-ico.open:before {
  transform: rotateZ(45deg);
}

.top-menu-ico.open:after {
  transform: rotateZ(-45deg);
}

.top-menu {
  position: absolute;
  right: 0;
  top: 1.2rem;
  width: 2.96rem;
  height: 0;
  background: rgba(30, 28, 33, .9);
  padding: 0 .42rem;
  box-sizing: border-box;
  overflow: hidden;
  opacity: 0;
  transition: all .5s cubic-bezier(0, 1.13, 0.74, 1.18);
}

.top-menu.open {
  opacity: 1;
  height: 6.9rem;
}

.top-menu li {
  width: 100%;
  height: 1.1rem;
  line-height: .82rem;
  padding: .28rem 0 0 .82rem;
  border-bottom: 1px solid rgba(63, 129, 241, .5);
  box-sizing: border-box;
  font-size: .3rem;
  color: #3f81f1;
  position: relative;
}

.top-menu li.cur {
  color: #fff;
  border-color: rgba(255, 255, 255, .8)
}

.top-menu li:before {
  content: "";
  position: absolute;
  width: .4rem;
  height: .4rem;
  left: .14rem;
  top: .5rem;
}

.top-menu li:nth-child(1):before {
  background: url(../images/spr.png) no-repeat -.1rem -2.26rem/8rem 8rem;
}

.top-menu li:nth-child(2):before {
  background: url(../images/spr.png) no-repeat -.59rem -2.26rem/8rem 8rem;
}

.top-menu li:nth-child(3):before {
  background: url(../images/spr.png) no-repeat -1.08rem -2.26rem/8rem 8rem;
}

.top-menu li:nth-child(4):before {
  background: url(../images/spr.png) no-repeat -1.57rem -2.26rem/8rem 8rem;
}

.top-menu li:nth-child(5):before {
  background: url(../images/spr.png) no-repeat -2.06rem -2.26rem/8rem 8rem;
}

.top-menu li:nth-child(6):before {
  background: url(../images/spr.png) no-repeat -7.06rem -.1rem/8rem 8rem;
}


.top-menu li.cur:nth-child(1):before {
  background: url(../images/spr.png) no-repeat -.1rem -2.75rem/8rem 8rem;
}

.top-menu li.cur:nth-child(2):before {
  background: url(../images/spr.png) no-repeat -.59rem -2.75rem/8rem 8rem;
}

.top-menu li.cur:nth-child(3):before {
  background: url(../images/spr.png) no-repeat -1.08rem -2.75rem/8rem 8rem;
}

.top-menu li.cur:nth-child(4):before {
  background: url(../images/spr.png) no-repeat -1.57rem -2.75rem/8rem 8rem;
}

.top-menu li.cur:nth-child(5):before {
  background: url(../images/spr.png) no-repeat -2.06rem -2.75rem/8rem 8rem;
}

.top-menu li.cur:nth-child(6):before {
  background: url(../images/spr.png) no-repeat -7.06rem -.59rem/8rem 8rem;
}

.top-menu a {
  display: block;
  width: 100%;
  height: 100%;
}

.top-menu a:hover {
  text-decoration: none;
}


/* foot */
.foot {
  background-color: #232028;
  font-size: .24rem;
  line-height: .48rem;
  text-align: center;
  color: #b3b3b3;
  padding: .42rem 0;
}


.dia {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000;
  z-index: 10;
  display: none;
}

.dia.show {
  display: block;
}

.dia-container {
  position: relative;
  margin: 0 0;
  height: 100vh;
}

.dia-container p {
  position: absolute;
  font-size: .34rem;
  color: #fff;
  left: 50%;
  transform: translateX(-50%);
  bottom: 1rem;
  letter-spacing: .05rem;
  text-indent: .05rem;
  z-index: 2;
  background: rgba(0, 0, 0, .5);
  padding: .05rem .4rem;
  border-radius: 5px;
}

.dia-container-list {
  height: 100vh;
  display: flex;
  align-items: center;
}

.dia-container-list li {
  height: 100%!important;
  display: flex;
  align-items: flex-start;
  overflow: auto;
}

.dia-container-list img {
  width: 100vw;
  margin: auto;
}


.examples-list li.tencent:before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 1.25rem;
  height: 1.07rem;
  background: url(../images/spr.png) no-repeat -.1rem -4.32rem/8rem 8rem;
}